Surname Csák (Csak 
, Csák 
, Чак 
) , around the world, is quite a rare cognomen. The family name Csák is habitual in Eastern Europe, particularly Hungary, where it is quite a common surname, Belarus, where it is quite a rare surname, and Romania, where it is a rare surname. In absolute terms, it is commonest in Eastern Europe, particularly Hungary, Russia, and Ukraine. Very seldom, Csák is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Csak | Germany, Romania, Hungary, United States, Canada |
| Csák | Germany, Romania, United Kingdom, Hungary, United States |
| Чак | Kazakhstan, Russia, Kyrgyzstan, Belarus, Ukraine |
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matthew ii csák (b. 1230) |
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| csák máté Hungarian master of the treasury, HU (b. 1200) |
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| stephen i csák Hungarian noble (b. 1230) |
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| hahót csák Voivode of Transylvania, HU (b. 1234) |
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csáky imre Catholic cardinal (1672-1732), HU (b. 1672) |
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| gellért csák (b. 1711) |
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| csák gellért HU (b. 1724) |
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csák árpád Hungarian archaeologist, museologist (1860-1936), HU (b. 1860) |
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csák ibolya athletics competitor, HU (b. 1915) |
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kálmán csák RO (b. 1926) |
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csák elemér Hungarian journalist, HU (b. 1944) |
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| margit csák (1902–1983) (b. 1902) |
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csák jános Hungarian economist, corporate leader, HU (b. 1962) |
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csák attila hungarian sculptor, HU (b. 1965) |
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| csák kálmán Hungarian miller, collector (1926-2018), RO (b. 1926) |
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Anna, Patrik, Péter, Roland, Regina, Dorina, Gergő, Gábor, János, Tamás, Tünde, Tímea, Eszter, Viktor, Ferenc, Ágnes, Marcell, Sándor, Szabina, Szilvia, András, Annamária, Botond, Csilla, Attila, Anikó, Luca, Emma, Imre, Örs, Éva, Sanya, Sára, Csaba, Bence, Dóra, Adrienn, Gyula, Jutka, Tibor, Erika, Hanna, Fanni, Zsolt, Ugrin, Mária, Máté, Andrea, Judit, and Csongor